Continuous numbers can: Question 1 options: a) b) c) d) Save Question 2 (10 poin

Question

Continuous numbers can:

Question 1 options:

a)

b)

c)

d)

Save

Question 2 (10 points)

Grouped frequency tables work best when the:

Question 2 options:

a)

b)

c)

d)

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Question 3 (10 points)

A grouped frequency table lists one of the intervals in a data set as 20–35. What is the midpoint of this interval?

Question 3 options:

a)

b)

c)

d)

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Question 4 (10 points)

The cumulative percentage restates the information in the:

Question 4 options:

a)

b)

c)

d)

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Question 5 (10 points)

Bob reports that people have 3.35 pets on average. Sally argues that Bob miscalculated the data given to him as the number of pets is discrete and the final value was not a whole number. Which statement is true?

Question 5 options:

a)

b)

c)

d)

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Question 6 (10 points)

Which is not a measure of central tendency?

Question 6 options:

a)

b)

c)

d)

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Question 7 (10 points)

A deviation score of 0.75 indicates that the individual:

Question 7 options:

a)

b)

c)

d)

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Question 8 (10 points)

Which level of measurement allows researchers to use the most informative measure of central tendency?

Question 8 options:

a)

b)

c)

d)

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Question 9 (10 points)

The measure of central tendency that takes only same/different information into account is the:

Question 9 options:

a)

b)

c)

d)

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Question 10 (10 points)

A researcher is interested in studying the effects of electrical stimulation in certain brain areas in rats. He implants an electrode in the brains of 12 rats and lists the number of times each rat presses the bar as 2, 4, 8, 5, 6, 7, 9, 1, 5, 3, 1, and 6. What is the median of the data set?

Question 10 options:

a)

b)

c)

d)

a)

take on fractional values.

b)

never be interval-level data.

c)

never be included in frequency percentages.

d)

only be included in grouped frequency tables.

Explanation / Answer

1. Continuous numbers can take any value within the specified interval and hence, can take fractional values.

Option A is correct.

2. values the variable takes include fractions.

3. 27.5

4. cumulative frequency column.

5. Bob is right because he knows it is possible to perform mathematical calculations on continuous numbers that yield a fractional value.

6. Range

7. scored above the sample mean.

8. Interval

9. mode

10. 6

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